nbcfirmed in the navy in the '60s. he earned the a vet nam service medal. the school bus was towed away, that had been at the crime scene tuesday afternoon. dykes boarded that school bus and demanded a few children. when the bus driver refused, dykes shot and killed away and made away with a 5-year-old boy named ethan, believed to have asperger's syndrome. they have been holed up in this bunker now for several days now. police are communicating with him through a ventilation pipe. local residents are praying for a peaceful resolution. >>> joining me now with more, former fbi profiler and hostage negotiator clint van zandt. welcome to you, my friend. what a situation. going on five days now, but i know have you said the extended time might help negotiators. how does that work? >> alex, there is an old hostage negotiation axiom. time decreases stress and anxiety. that's what we want to do, bring down the stress and anxiety level of jimmy lee dykes, who is in there. we want him to strongly identify with ethan, the little boy in there, and we want to -- as a ne